MIPS: Octeon: Handle Octeon II caches.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1664/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 15 insertions, 1 deletions

diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
index 0f9c488044d1..16c4d256b76f 100644
--- a/arch/mips/mm/c-octeon.c
+++ b/arch/mips/mm/c-octeon.c
@@ -181,10 +181,10 @@ static void __cpuinit probe_octeon(void)
         unsigned int config1;
         struct cpuinfo_mips *c = &current_cpu_data;
 
+        config1 = read_c0_config1();
         switch (c->cputype) {
         case CPU_CAVIUM_OCTEON:
         case CPU_CAVIUM_OCTEON_PLUS:
-                config1 = read_c0_config1();
                 c->icache.linesz = 2 << ((config1 >> 19) & 7);
                 c->icache.sets = 64 << ((config1 >> 22) & 7);
                 c->icache.ways = 1 + ((config1 >> 16) & 7);
@@ -204,6 +204,20 @@ static void __cpuinit probe_octeon(void)
                 c->options |= MIPS_CPU_PREFETCH;
                 break;
 
+        case CPU_CAVIUM_OCTEON2:
+                c->icache.linesz = 2 << ((config1 >> 19) & 7);
+                c->icache.sets = 8;
+                c->icache.ways = 37;
+                c->icache.flags |= MIPS_CACHE_VTAG;
+                icache_size = c->icache.sets * c->icache.ways * c->icache.linesz;
+
+                c->dcache.linesz = 128;
+                c->dcache.ways = 32;
+                c->dcache.sets = 8;
+                dcache_size = c->dcache.sets * c->dcache.ways * c->dcache.linesz;
+                c->options |= MIPS_CPU_PREFETCH;
+                break;
+
         default:
                 panic("Unsupported Cavium Networks CPU type\n");
                 break;